Home / 756,722.56-1,044,276.80-434,453.44

Finding the Fourth Proportional to 756,722.56, 1,044,276.80 and 434,453.44

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Solution

The fourth proportional to 756,722.56, 1,044,276.80 and 434,453.44 is: 599,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,722.56 : 1,044,276.80 = 434,453.44 : x
  2. Step 2: Convert to fraction form
    756,722.56/1,044,276.80 = 434,453.44/x
  3. Step 3: Cross multiply
    756,722.56x = 1,044,276.80 × 434,453.44
  4. Step 4: Simplify right side
    756,722.56x = 453,689,648,072.19
  5. Step 5: Solve for x
    x = 453,689,648,072.19/756,722.56
  6. Step 6: Final answer
    x = 599,545.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.